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author:

叶世昌 (叶世昌.) [1] | 罗素蓉 (罗素蓉.) [2] | 郑建岚 (郑建岚.) [3]

Indexed by:

PKU

Abstract:

通过对1 d龄期的再生混凝土拉伸徐变试件进行单轴拉伸,研究再生粗骨料、单掺粉煤灰和复掺粉煤灰加矿渣对再生混凝土早龄期各类拉伸徐变性能的影响.结果表明:再生混凝土拉伸徐变性能与普通混凝土类似,呈现早期发展快、后期发展慢的规律;掺入70%再生粗骨料导致再生混凝土各类拉伸徐变增加,拉伸总徐变增幅为8.0%;单掺粉煤灰和复掺粉煤灰加矿渣均导致再生混凝土各类拉伸徐变增加,30%~60%粉煤灰掺量的再生混凝土拉伸总徐变增幅为8.5%~32.5%,30%~60%粉煤灰加矿渣复掺量的再生混凝土拉伸总徐变增幅为2.6%~21.7%;相较于单掺粉煤灰,复掺粉煤灰加矿渣的再生混凝土的拉伸徐变增幅较低.

Keyword:

再生混凝土 再生粗骨料 复掺 拉伸徐变 早龄期 粉煤灰

Community:

  • [ 1 ] 福州大学土木工程学院
  • [ 2 ] 福建江夏学院工程学院

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Source :

福州大学学报(自然科学版)

ISSN: 1000-2243

CN: 35-1337/N

Year: 2018

Issue: 05

Volume: 46

Page: 700-704

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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